Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237733 | Internal neutral positioning spring for railcar shock absorber | Harry B. Kalina, Charles T. Bomgardner | 2001-05-29 |
| 5893419 | Hydraulic impact tool | — | 1999-04-13 |
| 5642823 | Railcar shock absorber with neutral position | Harry B. Kalina, Charles T. Bomgardner | 1997-07-01 |
| 5415303 | Railcar cushion unit | Harry B. Kalina | 1995-05-16 |
| 5388711 | Rail car double acting piston shock absorber | — | 1995-02-14 |